Author archives: Jonathan

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10 Oct

We've all heard the promise of GTK and how it will allow your application to be easily ported to other operating systems, such as Windows, Mac, Linux, and others. Something that you might not know is that if your GTK application uses the Gnome library, it will only work on Linux! This seems obvious ...


8 Oct

Once again I find myself struggling with Drag 'n Drop using GTK and Python. Why is it so difficult to get something working? Why do all the examples on the Internet suck? These are all good questions my friends, and today I bring some answers.

First of all, there are many different levels of drag ...



18 Sep

Have you ever wanted to change the drag icon on a GTK TreeView control using Python? This sounds really easy, but in fact there is a trick to getting it to work correctly. Hopefully you have found this blog prior to spending 7 days searching for a solution (like I did).

I have posted a ...


12 Sep

If you have ever attempted to enable drag & drop with Python and GTK, then you've probably run into the same problem I did. When I would drop an item on a widget, it just would not fire off the signal handler. Very frustrating!!!

However, after some digging around, I found the solution. It ...


8 Sep

I haven't made a ton of progress over the last 30 days, due to my "paying" job and my family obligations, however, I'm hopeful that September will be more productive. Here are my goals for September:

Goal 1) Finish integrating my smaller test projects into the final OpenShot code base.
Goal 2) Complete ...



8 Sep

After months of brainstorming, I have finally decided on an official name for this project: OpenShot Video Editor. Open stands for open-source, and Shot stands for a single cinematic take.

Here is my first draft of the logo. Expect the final product to include a theme that borrows heavily from this logo's colors and ...


24 Jul

Have you ever run into a problem where your favorite Python IDE can't determine the type of a variable, and thus you get no auto-completion? There is a built-in function in Python called isInstance(your_variable, type_of_variable) that is designed to compare a variable to a class type, and return true or false. However, just ...